1123111113232 has 20 divisors (see below), whose sum is σ = 2176661744380. Its totient is φ = 561391953408.

The previous prime is 1123111113211. The next prime is 1123111113259. The reversal of 1123111113232 is 2323111113211.

It can be written as a sum of positive squares in 2 ways, for example, as 487812846096 + 635298267136 = 698436^2 + 797056^2 .

It is a super-2 number, since 2×1123111113232² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10168557 + ... + 10278412.

It is an arithmetic number, because the mean of its divisors is an integer number (108833087219).

Almost surely, 2^{1123111113232} is an apocalyptic number.

It is an amenable number.

1123111113232 is a deficient number, since it is larger than the sum of its proper divisors (1053550631148).

1123111113232 is a wasteful number, since it uses less digits than its factorization.

1123111113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450410 (or 20450404 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 1123111113232 its reverse (2323111113211), we get a palindrome (3446222226443).

The spelling of 1123111113232 in words is "one trillion, one hundred twenty-three billion, one hundred eleven million, one hundred thirteen thousand, two hundred thirty-two".